2020-2025
From January 2018 to December 2024, 75% of Lassa fever confirmed cases were from Ondo (33%), Edo (31%) and Bauchi (11%).
In 2025, as of epi week 14, 87% of LF cases are from Ondo (30%), Bauchi (25%), Edo (16%), and Taraba (16%) States.
Total confirmed cases: 674
Deaths from Confirmed Cases: 127
Case Fatality Ratio: 19%
Number of Health Care Workers: 20
| Years | Suspected cases | Confirmed cases | Deaths | CFR | ||||
|---|---|---|---|---|---|---|---|---|
| 2025 | 1173 | 200 | 26 | 13% | ||||
| 2024 | 1140 | 195 | 13 | 7% | ||||
| 2023 | 1162 | 279 | 30 | 11% | ||||
| 2022 | 643 | 200 | 35 | 18% | ||||
| 2021 | 296 | 69 | 19 | 28% | ||||
| 2020 | 496 | 309 | 44 | 14% | ||||
Source: NCDC |
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| Years | Suspected cases | Confirmed cases | Deaths | CFR | ||||
|---|---|---|---|---|---|---|---|---|
| 2025 | 729 | 171 | 12 | 7% | ||||
| 2024 | 641 | 133 | 28 | 21% | ||||
| 2023 | 641 | 97 | 18 | 19% | ||||
| 2022 | 598 | 112 | 12 | 11% | ||||
| 2021 | 41 | 8 | 2 | 25% | ||||
| 2020 | 265 | 43 | 19 | 44% | ||||
Source: NCDC |
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| Years | Suspected cases | Confirmed cases | Deaths | CFR | ||||
|---|---|---|---|---|---|---|---|---|
| 2025 | 1204 | 107 | 17 | 16% | ||||
| 2024 | 1300 | 180 | 23 | 13% | ||||
| 2023 | 1593 | 247 | 31 | 13% | ||||
| 2022 | 1166 | 172 | 24 | 14% | ||||
| 2021 | 909 | 103 | 12 | 12% | ||||
| 2020 | 1091 | 314 | 39 | 12% | ||||
Source: NCDC |
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| Years | Suspected cases | Confirmed cases | Deaths | CFR | ||||
|---|---|---|---|---|---|---|---|---|
| 2025 | 271 | 106 | 31 | 29% | ||||
| 2024 | 201 | 96 | 20 | 21% | ||||
| 2023 | 230 | 81 | 28 | 35% | ||||
| 2022 | 74 | 31 | 14 | 45% | ||||
| 2021 | 47 | 18 | 11 | 61% | ||||
| 2020 | 97 | 55 | 21 | 38% | ||||
Source: NCDC |
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| Years | Suspected cases | Confirmed cases | Deaths | CFR | ||||
|---|---|---|---|---|---|---|---|---|
| 2025 | 120 | 21 | 11 | 52% | ||||
| 2024 | 228 | 43 | 24 | 56% | ||||
| 2023 | 184 | 50 | 28 | 56% | ||||
| 2022 | 186 | 39 | 18 | 46% | ||||
| 2021 | 79 | 15 | 6 | 40% | ||||
| 2020 | 183 | 73 | 21 | 29% | ||||
Source: NCDC |
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| Years | Suspected cases | Confirmed cases | Deaths | CFR | ||||
|---|---|---|---|---|---|---|---|---|
| 2025 | 64 | 15 | 4 | 27% | ||||
| 2024 | 105 | 28 | 2 | 7% | ||||
| 2023 | 37 | 11 | 1 | 9% | ||||
| 2022 | 99 | 39 | 7 | 18% | ||||
| 2021 | 5 | 1 | 0 | 0% | ||||
| 2020 | 79 | 34 | 8 | 24% | ||||
Source: NCDC |
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| Years | Suspected cases | Confirmed cases | Deaths | CFR | ||||
|---|---|---|---|---|---|---|---|---|
| 2025 | 63 | 13 | 7 | 54% | ||||
| 2024 | 25 | 3 | 1 | 33% | ||||
| 2023 | 31 | 6 | 0 | 0% | ||||
| 2022 | 106 | 17 | 7 | 41% | ||||
| 2021 | 3 | 0 | 0 | – | ||||
| 2020 | 27 | 7 | 2 | 29% | ||||
Source: NCDC |
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| Years | Suspected cases | Confirmed cases | Deaths | CFR | ||||
|---|---|---|---|---|---|---|---|---|
| 2025 | 62 | 9 | 4 | 44% | ||||
| 2024 | 1037 | 62 | 11 | 18% | ||||
| 2023 | 142 | 36 | 3 | 8% | ||||
| 2022 | 188 | 30 | 8 | 27% | ||||
| 2021 | 14 | 3 | 0 | 0% | ||||
| 2020 | 27 | 8 | 3 | 38% | ||||
Source: NCDC |
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Any questions or suggestions? Contact us: Anaïs Legand and Antoine Chaillon
As of 2025, week 14